# mesoxalate

> English word · Noun

## Definitions
1. A salt of mesoxalic acid.
2. The divalent anion C₃O₅²⁻.
3. An ester containing this anion.

## Etymology
From mesoxalic acid + -ate (“salt or ester”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/mesoxalate